| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sam McDowell | CLE | 11.23 | 197007060_TEX_CLE |
| Jim Perry | MIN | 5.02 | 197007080_MIN_OAK |
| Claude Osteen | LAN | 3.93 | 197007060_LAN_HOU |
| Mel Stottlemyre | NYA | 2.74 | 197007070_NYA_BAL |
| Ray Culp | BOS | 1.89 | 197007071_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Stoneman | WAS | -4.62 | 197007082_WAS_CHN |
| Clay Kirby | SDN | -3.85 | 197007080_SDN_CIN |
| Gene Brabender | MIL | -2.98 | 197007060_CHA_MIL |
| Dick Such | TEX | -2.21 | 197007072_TEX_CLE |
| Rich Robertson | SFN | -2.16 | 197007070_SFN_ATL |
Based on accumulated WAA for this season up to 1970-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 5.49 | Wayne Simpson | 139 | CIN |
| +006+ | 5.45 | Tom Seaver | 163 | NYN |
| +013+ | 4.77 | Sam McDowell | 169 | CLE |
| +017+ | 4.28 | Jim Palmer | 151.7 | BAL |
| +018+ | 4.2 | Danny Coombs | 99.7 | SDN |
| +025+ | 3.51 | Jim McGlothlin | 129 | CIN |
| +026+ | 3.46 | Ray Culp | 131.7 | BOS |
| +031+ | 3.28 | Andy Messersmith | 138.3 | ANA |
| +032+ | 3.27 | Pat Jarvis | 137.7 | ATL |
| +035+ | 3.21 | Claude Osteen | 155 | LAN |
| +037+ | 3.15 | Clyde Wright | 137 | ANA |
| +040+ | 2.93 | Jim Merritt | 150 | CIN |
| +042+ | 2.72 | Jerry Koosman | 98.7 | NYN |
| +045+ | 2.58 | Jim Perry | 139 | MIN |
| +046+ | 2.54 | Joe Niekro | 123.7 | DET |
| +047+ | 2.52 | Eddie Fisher | 62.7 | ANA |
| +050+ | 2.35 | Tom Phoebus | 79.3 | BAL |
| +058+ | 2.11 | Tom Hall | 52.3 | MIN |
| +062+ | 2.03 | Dave Giusti | 54 | PIT |
| +067+ | 1.95 | Gary Gentry | 124.7 | NYN |
| +073+ | 1.85 | Bob Gibson | 143.7 | SLN |
| +077+ | 1.82 | Tommy John | 152.7 | CHA |
| +079+ | 1.79 | Bill Zepp | 53.3 | MIN |
| +080+ | 1.77 | Mel Stottlemyre | 145 | NYA |
| +084+ | 1.72 | Jim Hunter | 151.3 | OAK |
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